Python has many helper functions in its libraries that always help us with some day to day tasks. Let`s see how the string
isupper () method works which actually checks if all characters in the string are uppercase.
Syntax: string .isupper ()
Returns: True if all the letters in the string are in upper case and False if even one of them is in lower case.
Code # 1: Demonstration of isupper ()
Is GEEKSFORGEEKS full uppercase?: True Is Geeksforgeeks full uppercase?: False
Practical Use: This function can be used in many ways and has many practical uses. such applications to check uppercase, check abbreviations (usually uppercase), validate a sentence that requires all uppercases. Below is a small example demonstrating the isupper () method.
Code # 2 : Demonstration of isupper ()
Number of abbreviations in thi s sentence is: 3